forked from stellar/stellar-core
/
HistoryTestsUtils.cpp
1036 lines (893 loc) · 33.3 KB
/
HistoryTestsUtils.cpp
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// Copyright 2017 Stellar Development Foundation and contributors. Licensed
// under the Apache License, Version 2.0. See the COPYING file at the root
// of this distribution or at http://www.apache.org/licenses/LICENSE-2.0
#include "history/test/HistoryTestsUtils.h"
#include "bucket/BucketManager.h"
#include "catchup/CatchupRange.h"
#include "crypto/Hex.h"
#include "crypto/Random.h"
#include "herder/TxSetFrame.h"
#include "history/FileTransferInfo.h"
#include "history/HistoryArchiveManager.h"
#include "ledger/CheckpointRange.h"
#include "ledger/LedgerRange.h"
#include "ledger/LedgerTxn.h"
#include "ledger/LedgerTxnHeader.h"
#include "lib/catch.hpp"
#include "main/ApplicationUtils.h"
#include "test/TestAccount.h"
#include "test/TestUtils.h"
#include "test/TxTests.h"
#include "test/test.h"
#include "util/Math.h"
#include "util/XDROperators.h"
#include "work/WorkScheduler.h"
#include <medida/metrics_registry.h>
using namespace stellar;
using namespace txtest;
namespace stellar
{
namespace historytestutils
{
std::string
HistoryConfigurator::getArchiveDirName() const
{
return "";
}
TmpDirHistoryConfigurator::TmpDirHistoryConfigurator()
: mName("archtmp-" + binToHex(randomBytes(8))), mArchtmp(mName)
{
}
std::string
TmpDirHistoryConfigurator::getArchiveDirName() const
{
return mName;
}
Config&
TmpDirHistoryConfigurator::configure(Config& cfg, bool writable) const
{
std::string d = getArchiveDirName();
std::string getCmd = "cp " + d + "/{0} {1}";
std::string putCmd = "";
std::string mkdirCmd = "";
if (writable)
{
putCmd = "cp {0} " + d + "/{1}";
mkdirCmd = "mkdir -p " + d + "/{0}";
}
cfg.HISTORY[d] = HistoryArchiveConfiguration{d, getCmd, putCmd, mkdirCmd};
return cfg;
}
MultiArchiveHistoryConfigurator::MultiArchiveHistoryConfigurator(
uint32_t numArchives)
{
while (numArchives > 0)
{
auto conf = std::make_shared<TmpDirHistoryConfigurator>();
mConfigurators.emplace_back(conf);
--numArchives;
}
}
Config&
MultiArchiveHistoryConfigurator::configure(Config& cfg, bool writable) const
{
for (auto const& conf : mConfigurators)
{
conf->configure(cfg, writable);
}
REQUIRE(cfg.HISTORY.size() == mConfigurators.size());
return cfg;
}
Config&
S3HistoryConfigurator::configure(Config& mCfg, bool writable) const
{
char const* s3bucket = getenv("S3BUCKET");
if (!s3bucket)
{
throw std::runtime_error("s3 test requires S3BUCKET env var");
}
std::string s3b(s3bucket);
if (s3b.find("s3://") != 0)
{
s3b = std::string("s3://") + s3b;
}
std::string getCmd = "aws s3 cp " + s3b + "/{0} {1}";
std::string putCmd = "";
std::string mkdirCmd = "";
if (writable)
{
putCmd = "aws s3 cp {0} " + s3b + "/{1}";
}
mCfg.HISTORY["test"] =
HistoryArchiveConfiguration{"test", getCmd, putCmd, mkdirCmd};
return mCfg;
}
Config&
RealGenesisTmpDirHistoryConfigurator::configure(Config& mCfg,
bool writable) const
{
TmpDirHistoryConfigurator::configure(mCfg, writable);
mCfg.USE_CONFIG_FOR_GENESIS = false;
return mCfg;
}
BucketOutputIteratorForTesting::BucketOutputIteratorForTesting(
std::string const& tmpDir, uint32_t protocolVersion, MergeCounters& mc,
asio::io_context& ctx)
: BucketOutputIterator{
tmpDir, true, testutil::testBucketMetadata(protocolVersion),
mc, ctx, /*doFsync=*/true}
{
}
std::pair<std::string, uint256>
BucketOutputIteratorForTesting::writeTmpTestBucket()
{
auto ledgerEntries =
LedgerTestUtils::generateValidLedgerEntries(NUM_ITEMS_PER_BUCKET);
auto bucketEntries =
Bucket::convertToBucketEntry(false, {}, ledgerEntries, {});
for (auto const& bucketEntry : bucketEntries)
{
put(bucketEntry);
}
// Finish writing and close the bucket file
REQUIRE(mBuf);
mOut.writeOne(*mBuf, &mHasher, &mBytesPut);
mObjectsPut++;
mBuf.reset();
mOut.close();
return std::pair<std::string, uint256>(mFilename, mHasher.finish());
};
TestBucketGenerator::TestBucketGenerator(
Application& app, std::shared_ptr<HistoryArchive> archive)
: mApp{app}, mArchive{archive}
{
mTmpDir = std::make_unique<TmpDir>(
mApp.getTmpDirManager().tmpDir("tmp-bucket-generator"));
}
std::string
TestBucketGenerator::generateBucket(TestBucketState state)
{
uint256 hash = HashUtils::random();
if (state == TestBucketState::FILE_NOT_UPLOADED)
{
// Skip uploading the file, return any hash
return binToHex(hash);
}
MergeCounters mc;
BucketOutputIteratorForTesting bucketOut{
mTmpDir->getName(), mApp.getConfig().LEDGER_PROTOCOL_VERSION, mc,
mApp.getClock().getIOContext()};
std::string filename;
std::tie(filename, hash) = bucketOut.writeTmpTestBucket();
if (state == TestBucketState::HASH_MISMATCH)
{
hash = HashUtils::random();
}
// Upload generated bucket to the archive
{
FileTransferInfo ft{mTmpDir->getName(), HISTORY_FILE_TYPE_BUCKET,
binToHex(hash)};
auto& wm = mApp.getWorkScheduler();
auto put = std::make_shared<PutRemoteFileWork>(
mApp, filename + ".gz", ft.remoteName(), mArchive);
auto mkdir =
std::make_shared<MakeRemoteDirWork>(mApp, ft.remoteDir(), mArchive);
std::vector<std::shared_ptr<BasicWork>> seq;
if (state != TestBucketState::CORRUPTED_ZIPPED_FILE)
{
seq = {std::make_shared<GzipFileWork>(mApp, filename, true), mkdir,
put};
}
else
{
std::ofstream out(filename + ".gz");
out.close();
seq = {mkdir, put};
}
wm.scheduleWork<WorkSequence>("bucket-publish-seq", seq);
while (!mApp.getClock().getIOContext().stopped() &&
!wm.allChildrenDone())
{
mApp.getClock().crank(true);
}
}
return binToHex(hash);
}
TestLedgerChainGenerator::TestLedgerChainGenerator(
Application& app, std::shared_ptr<HistoryArchive> archive,
CheckpointRange range, TmpDir const& tmpDir)
: mApp{app}, mArchive{archive}, mCheckpointRange{range}, mTmpDir{tmpDir}
{
}
void
TestLedgerChainGenerator::createHistoryFiles(
std::vector<LedgerHeaderHistoryEntry> const& lhv,
LedgerHeaderHistoryEntry& first, LedgerHeaderHistoryEntry& last,
uint32_t checkpoint)
{
FileTransferInfo ft{mTmpDir, HISTORY_FILE_TYPE_LEDGER, checkpoint};
XDROutputFileStream ledgerOut(mApp.getClock().getIOContext(),
/*doFsync=*/true);
ledgerOut.open(ft.localPath_nogz());
for (auto& ledger : lhv)
{
if (first.header.ledgerSeq == 0)
{
first = ledger;
}
REQUIRE_NOTHROW(ledgerOut.writeOne(ledger));
last = ledger;
}
ledgerOut.close();
}
TestLedgerChainGenerator::CheckpointEnds
TestLedgerChainGenerator::makeOneLedgerFile(
uint32_t currCheckpoint, Hash prevHash,
HistoryManager::LedgerVerificationStatus state)
{
auto& hm = mApp.getHistoryManager();
auto initLedger = hm.firstLedgerInCheckpointContaining(currCheckpoint);
auto size = hm.sizeOfCheckpointContaining(currCheckpoint);
LedgerHeaderHistoryEntry first, last, lcl;
lcl.header.ledgerSeq = initLedger;
lcl.header.previousLedgerHash = prevHash;
std::vector<LedgerHeaderHistoryEntry> ledgerChain =
LedgerTestUtils::generateLedgerHeadersForCheckpoint(lcl, size, state);
createHistoryFiles(ledgerChain, first, last, currCheckpoint);
return CheckpointEnds(first, last);
}
TestLedgerChainGenerator::CheckpointEnds
TestLedgerChainGenerator::makeLedgerChainFiles(
HistoryManager::LedgerVerificationStatus state)
{
Hash hash = HashUtils::random();
LedgerHeaderHistoryEntry beginRange;
LedgerHeaderHistoryEntry first, last;
for (auto i = mCheckpointRange.mFirst; i < mCheckpointRange.limit();
i += mApp.getHistoryManager().sizeOfCheckpointContaining(i))
{
// Only corrupt first checkpoint (last to be verified)
if (i != mCheckpointRange.mFirst)
{
state = HistoryManager::VERIFY_STATUS_OK;
}
std::tie(first, last) = makeOneLedgerFile(i, hash, state);
hash = last.hash;
if (beginRange.header.ledgerSeq == 0)
{
beginRange = first;
}
}
return CheckpointEnds(beginRange, last);
}
CatchupMetrics::CatchupMetrics()
: mHistoryArchiveStatesDownloaded{0}
, mLedgersDownloaded{0}
, mLedgersVerified{0}
, mLedgerChainsVerificationFailed{0}
, mBucketsDownloaded{false}
, mBucketsApplied{false}
, mTransactionsDownloaded{0}
, mTransactionsApplied{0}
{
}
CatchupMetrics::CatchupMetrics(
uint64_t historyArchiveStatesDownloaded, uint64_t ledgersDownloaded,
uint64_t ledgersVerified, uint64_t ledgerChainsVerificationFailed,
uint64_t bucketsDownloaded, uint64_t bucketsApplied,
uint64_t transactionsDownloaded, uint64_t transactionsApplied)
: mHistoryArchiveStatesDownloaded{historyArchiveStatesDownloaded}
, mLedgersDownloaded{ledgersDownloaded}
, mLedgersVerified{ledgersVerified}
, mLedgerChainsVerificationFailed{ledgerChainsVerificationFailed}
, mBucketsDownloaded{bucketsDownloaded}
, mBucketsApplied{bucketsApplied}
, mTransactionsDownloaded{transactionsDownloaded}
, mTransactionsApplied{transactionsApplied}
{
}
CatchupMetrics
operator-(CatchupMetrics const& x, CatchupMetrics const& y)
{
return CatchupMetrics{
x.mHistoryArchiveStatesDownloaded - y.mHistoryArchiveStatesDownloaded,
x.mLedgersDownloaded - y.mLedgersDownloaded,
x.mLedgersVerified - y.mLedgersVerified,
x.mLedgerChainsVerificationFailed - y.mLedgerChainsVerificationFailed,
x.mBucketsDownloaded - y.mBucketsDownloaded,
x.mBucketsApplied - y.mBucketsApplied,
x.mTransactionsDownloaded - y.mTransactionsDownloaded,
x.mTransactionsApplied - y.mTransactionsApplied};
}
CatchupPerformedWork::CatchupPerformedWork(CatchupMetrics const& metrics)
: mHistoryArchiveStatesDownloaded{metrics.mHistoryArchiveStatesDownloaded}
, mLedgersDownloaded{metrics.mLedgersDownloaded}
, mLedgersVerified{metrics.mLedgersVerified}
, mLedgerChainsVerificationFailed{metrics.mLedgerChainsVerificationFailed}
, mBucketsDownloaded{metrics.mBucketsDownloaded > 0}
, mBucketsApplied{metrics.mBucketsApplied > 0}
, mTransactionsDownloaded{metrics.mTransactionsDownloaded}
, mTransactionsApplied{metrics.mTransactionsApplied}
{
}
CatchupPerformedWork::CatchupPerformedWork(
uint64_t historyArchiveStatesDownloaded, uint64_t ledgersDownloaded,
uint64_t ledgersVerified, uint64_t ledgerChainsVerificationFailed,
bool bucketsDownloaded, bool bucketsApplied,
uint64_t transactionsDownloaded, uint64_t transactionsApplied)
: mHistoryArchiveStatesDownloaded{historyArchiveStatesDownloaded}
, mLedgersDownloaded{ledgersDownloaded}
, mLedgersVerified{ledgersVerified}
, mLedgerChainsVerificationFailed{ledgerChainsVerificationFailed}
, mBucketsDownloaded{bucketsDownloaded}
, mBucketsApplied{bucketsApplied}
, mTransactionsDownloaded{transactionsDownloaded}
, mTransactionsApplied{transactionsApplied}
{
}
bool
operator==(CatchupPerformedWork const& x, CatchupPerformedWork const& y)
{
if (x.mHistoryArchiveStatesDownloaded != y.mHistoryArchiveStatesDownloaded)
{
return false;
}
if (x.mLedgersDownloaded != y.mLedgersDownloaded)
{
return false;
}
if (x.mLedgersVerified != y.mLedgersVerified)
{
return false;
}
if (x.mLedgerChainsVerificationFailed != y.mLedgerChainsVerificationFailed)
{
return false;
}
if (x.mBucketsDownloaded != y.mBucketsDownloaded)
{
return false;
}
if (x.mBucketsApplied != y.mBucketsApplied)
{
return false;
}
if (x.mTransactionsDownloaded != y.mTransactionsDownloaded)
{
return false;
}
if (x.mTransactionsApplied != y.mTransactionsApplied)
{
return false;
}
return true;
}
bool
operator!=(CatchupPerformedWork const& x, CatchupPerformedWork const& y)
{
return !(x == y);
}
CatchupSimulation::CatchupSimulation(VirtualClock::Mode mode,
std::shared_ptr<HistoryConfigurator> cg,
bool startApp)
: mClock(mode)
, mHistoryConfigurator(cg)
, mCfg(getTestConfig())
, mAppPtr(createTestApplication(
mClock, mHistoryConfigurator->configure(mCfg, true)))
, mApp(*mAppPtr)
{
auto dirName = cg->getArchiveDirName();
if (!dirName.empty())
{
CHECK(
mApp.getHistoryArchiveManager().initializeHistoryArchive(dirName));
}
if (startApp)
{
mApp.start();
}
}
CatchupSimulation::~CatchupSimulation()
{
}
uint32_t
CatchupSimulation::getLastCheckpointLedger(uint32_t checkpointIndex) const
{
return mApp.getHistoryManager().getCheckpointFrequency() * checkpointIndex -
1;
}
void
CatchupSimulation::generateRandomLedger(uint32_t version)
{
auto& lm = mApp.getLedgerManager();
TxSetFramePtr txSet =
std::make_shared<TxSetFrame>(lm.getLastClosedLedgerHeader().hash);
uint32_t ledgerSeq = lm.getLastClosedLedgerNum() + 1;
uint64_t minBalance = lm.getLastMinBalance(5);
uint64_t big = minBalance + ledgerSeq;
uint64_t small = 100 + ledgerSeq;
uint64_t closeTime = 60 * 5 * ledgerSeq;
auto root = TestAccount{mApp, getRoot(mApp.getNetworkID())};
auto alice = TestAccount{mApp, getAccount("alice")};
auto bob = TestAccount{mApp, getAccount("bob")};
auto carol = TestAccount{mApp, getAccount("carol")};
// Root sends to alice every tx, bob every other tx, carol every 4rd tx.
if (ledgerSeq < 5)
{
txSet->add(root.tx({createAccount(alice, big)}));
txSet->add(root.tx({createAccount(bob, big)}));
txSet->add(root.tx({createAccount(carol, big)}));
}
// Allow an occasional empty ledger
else if (rand_flip() || rand_flip())
{
txSet->add(root.tx({payment(alice, big)}));
txSet->add(root.tx({payment(bob, big)}));
txSet->add(root.tx({payment(carol, big)}));
// They all randomly send a little to one another every ledger after #4
if (rand_flip())
txSet->add(alice.tx({payment(bob, small)}));
if (rand_flip())
txSet->add(alice.tx({payment(carol, small)}));
if (rand_flip())
txSet->add(bob.tx({payment(alice, small)}));
if (rand_flip())
txSet->add(bob.tx({payment(carol, small)}));
if (rand_flip())
txSet->add(carol.tx({payment(alice, small)}));
if (rand_flip())
txSet->add(carol.tx({payment(bob, small)}));
}
// Provoke sortForHash and hash-caching:
txSet->getContentsHash();
CLOG(DEBUG, "History") << "Closing synthetic ledger " << ledgerSeq
<< " with " << txSet->sizeTx() << " txs (txhash:"
<< hexAbbrev(txSet->getContentsHash()) << ")";
auto upgrades = xdr::xvector<UpgradeType, 6>{};
if (version > 0)
{
auto ledgerUpgrade = LedgerUpgrade{LEDGER_UPGRADE_VERSION};
ledgerUpgrade.newLedgerVersion() = version;
auto v = xdr::xdr_to_opaque(ledgerUpgrade);
upgrades.push_back(UpgradeType{v.begin(), v.end()});
}
StellarValue sv(txSet->getContentsHash(), closeTime, upgrades,
STELLAR_VALUE_BASIC);
mLedgerCloseDatas.emplace_back(ledgerSeq, txSet, sv);
lm.closeLedger(mLedgerCloseDatas.back());
auto const& lclh = lm.getLastClosedLedgerHeader();
mLedgerSeqs.push_back(lclh.header.ledgerSeq);
mLedgerHashes.push_back(lclh.hash);
mBucketListHashes.push_back(lclh.header.bucketListHash);
mBucket0Hashes.push_back(mApp.getBucketManager()
.getBucketList()
.getLevel(0)
.getCurr()
->getHash());
mBucket1Hashes.push_back(mApp.getBucketManager()
.getBucketList()
.getLevel(2)
.getCurr()
->getHash());
rootBalances.push_back(root.getBalance());
aliceBalances.push_back(alice.getBalance());
bobBalances.push_back(bob.getBalance());
carolBalances.push_back(carol.getBalance());
rootSeqs.push_back(root.loadSequenceNumber());
aliceSeqs.push_back(alice.loadSequenceNumber());
bobSeqs.push_back(bob.loadSequenceNumber());
carolSeqs.push_back(carol.loadSequenceNumber());
}
void
CatchupSimulation::setProto12UpgradeLedger(uint32_t ledger)
{
REQUIRE(mApp.getLedgerManager().getLastClosedLedgerNum() < ledger);
mTestProtocolShadowsRemovedLedgerSeq = ledger;
}
void
CatchupSimulation::ensureLedgerAvailable(uint32_t targetLedger)
{
auto& lm = mApp.getLedgerManager();
auto& hm = mApp.getHistoryManager();
while (lm.getLastClosedLedgerNum() < targetLedger)
{
auto lcl = lm.getLastClosedLedgerNum();
if (lcl + 1 == mTestProtocolShadowsRemovedLedgerSeq)
{
// Force proto 12 upgrade
generateRandomLedger(Bucket::FIRST_PROTOCOL_SHADOWS_REMOVED);
}
else
{
generateRandomLedger();
}
if (hm.publishCheckpointOnLedgerClose(lcl))
{
mBucketListAtLastPublish =
getApp().getBucketManager().getBucketList();
}
}
}
void
CatchupSimulation::ensurePublishesComplete()
{
auto& hm = mApp.getHistoryManager();
while (!mApp.getWorkScheduler().allChildrenDone() ||
(hm.getPublishSuccessCount() < hm.getPublishQueueCount()))
{
REQUIRE(hm.getPublishFailureCount() == 0);
mApp.getClock().crank(true);
}
REQUIRE(hm.getPublishFailureCount() == 0);
// Make sure all references to buckets were released
REQUIRE(hm.getBucketsReferencedByPublishQueue().empty());
}
void
CatchupSimulation::ensureOfflineCatchupPossible(uint32_t targetLedger)
{
auto& hm = mApp.getHistoryManager();
// One additional ledger is needed for publish.
ensureLedgerAvailable(hm.checkpointContainingLedger(targetLedger) + 1);
ensurePublishesComplete();
}
void
CatchupSimulation::ensureOnlineCatchupPossible(uint32_t targetLedger,
uint32_t bufferLedgers)
{
auto& hm = mApp.getHistoryManager();
// One additional ledger is needed for publish, one as a trigger ledger for
// catchup, one as closing ledger.
ensureLedgerAvailable(hm.checkpointContainingLedger(targetLedger) +
bufferLedgers + 3);
ensurePublishesComplete();
}
void
CatchupSimulation::crankUntil(Application::pointer app,
std::function<bool()> const& predicate,
VirtualClock::duration timeout)
{
auto start = std::chrono::system_clock::now();
while (!predicate())
{
app->getClock().crank(false);
auto current = std::chrono::system_clock::now();
auto diff = current - start;
if (diff > timeout)
{
break;
}
}
}
Application::pointer
CatchupSimulation::createCatchupApplication(uint32_t count,
Config::TestDbMode dbMode,
std::string const& appName,
bool publish)
{
CLOG(INFO, "History") << "****";
CLOG(INFO, "History") << "**** Create app for catchup: '" << appName << "'";
CLOG(INFO, "History") << "****";
mCfgs.emplace_back(
getTestConfig(static_cast<int>(mCfgs.size()) + 1, dbMode));
mCfgs.back().CATCHUP_COMPLETE =
count == std::numeric_limits<uint32_t>::max();
mCfgs.back().CATCHUP_RECENT = count;
mSpawnedAppsClocks.emplace_front();
auto newApp = createTestApplication(
mSpawnedAppsClocks.front(),
mHistoryConfigurator->configure(mCfgs.back(), publish));
newApp->start();
return newApp;
}
bool
CatchupSimulation::catchupOffline(Application::pointer app, uint32_t toLedger,
bool extraValidation)
{
CLOG(INFO, "History") << "starting offline catchup with toLedger="
<< toLedger;
auto startCatchupMetrics = getCatchupMetrics(app);
auto& lm = app->getLedgerManager();
auto lastLedger = lm.getLastClosedLedgerNum();
auto mode = extraValidation ? CatchupConfiguration::Mode::OFFLINE_COMPLETE
: CatchupConfiguration::Mode::OFFLINE_BASIC;
auto catchupConfiguration =
CatchupConfiguration{toLedger, app->getConfig().CATCHUP_RECENT, mode};
lm.startCatchup(catchupConfiguration, nullptr);
REQUIRE(!app->getClock().getIOContext().stopped());
auto& cm = app->getCatchupManager();
auto finished = [&]() { return cm.catchupWorkIsDone(); };
crankUntil(app, finished, std::chrono::seconds{60});
// Finished successfully
auto success = cm.isCatchupInitialized() &&
cm.getCatchupWorkState() == BasicWork::State::WORK_SUCCESS;
if (success)
{
CLOG(INFO, "History") << "Caught up";
auto endCatchupMetrics = getCatchupMetrics(app);
auto catchupPerformedWork =
CatchupPerformedWork{endCatchupMetrics - startCatchupMetrics};
REQUIRE(catchupPerformedWork ==
computeCatchupPerformedWork(lastLedger, catchupConfiguration,
*app));
if (app->getHistoryArchiveManager().hasAnyWritableHistoryArchive())
{
auto& hm = app->getHistoryManager();
REQUIRE(hm.getPublishQueueCount() - hm.getPublishSuccessCount() <=
CatchupWork::PUBLISH_QUEUE_MAX_SIZE);
}
}
validateCatchup(app);
return success;
}
bool
CatchupSimulation::catchupOnline(Application::pointer app, uint32_t initLedger,
uint32_t bufferLedgers, uint32_t gapLedger,
int32_t numGapLedgers,
std::vector<uint32_t> const& ledgersToInject)
{
auto& lm = app->getLedgerManager();
auto startCatchupMetrics = getCatchupMetrics(app);
auto& hm = app->getHistoryManager();
auto& herder = static_cast<HerderImpl&>(app->getHerder());
// catchup will run to the final ledger in the checkpoint
auto toLedger = hm.checkpointContainingLedger(initLedger - 1);
auto catchupConfiguration =
CatchupConfiguration{toLedger, app->getConfig().CATCHUP_RECENT,
CatchupConfiguration::Mode::ONLINE};
auto caughtUp = [&]() { return lm.isSynced(); };
auto externalize = [&](uint32 n) {
if (numGapLedgers > 0 && n == gapLedger)
{
if (--numGapLedgers > 0)
{
// skip next ledger as well
++gapLedger;
}
CLOG(INFO, "History")
<< "simulating LedgerClose transmit gap at ledger " << n;
}
else
{
externalizeLedger(herder, n);
}
};
// Externalize (to the catchup LM) the range of ledgers between initLedger
// and as near as we can get to the first ledger of the block after
// initLedger (inclusive), so that there's something to knit-up with. Do not
// externalize anything we haven't yet published, of course.
uint32_t firstLedgerInCheckpoint;
if (hm.isFirstLedgerInCheckpoint(initLedger))
{
firstLedgerInCheckpoint = initLedger;
}
else
{
firstLedgerInCheckpoint =
hm.firstLedgerAfterCheckpointContaining(initLedger);
}
uint32_t triggerLedger = hm.ledgerToTriggerCatchup(firstLedgerInCheckpoint);
if (ledgersToInject.empty())
{
for (uint32_t n = initLedger; n <= triggerLedger + bufferLedgers; ++n)
{
externalize(n);
}
}
else
{
for (auto ledger : ledgersToInject)
{
externalize(ledger);
}
}
if (caughtUp())
{
// If at this moment status is LM_SYNCED_STATE, it means that catchup
// has not started.
return false;
}
auto catchupIsDone = [&]() {
return app->getCatchupManager().catchupWorkIsDone();
};
auto lastLedger = lm.getLastClosedLedgerNum();
crankUntil(app, catchupIsDone, std::chrono::seconds{30});
if (lm.getLastClosedLedgerNum() == triggerLedger + bufferLedgers)
{
// Externalize closing ledger
externalize(triggerLedger + bufferLedgers + 1);
}
auto result = caughtUp();
if (result)
{
REQUIRE(lm.getLastClosedLedgerNum() ==
triggerLedger + bufferLedgers + 1);
auto endCatchupMetrics = getCatchupMetrics(app);
auto catchupPerformedWork =
CatchupPerformedWork{endCatchupMetrics - startCatchupMetrics};
REQUIRE(catchupPerformedWork ==
computeCatchupPerformedWork(lastLedger, catchupConfiguration,
*app));
CLOG(INFO, "History") << "Caught up";
}
validateCatchup(app);
return result;
}
void
CatchupSimulation::externalizeLedger(HerderImpl& herder, uint32_t ledger)
{
// Remember the vectors count from 2, not 0.
if (ledger - 2 >= mLedgerCloseDatas.size())
{
return;
}
auto const& lcd = mLedgerCloseDatas.at(ledger - 2);
CLOG(INFO, "History") << "force-externalizing LedgerCloseData for "
<< ledger << " has txhash:"
<< hexAbbrev(lcd.getTxSet()->getContentsHash());
auto txSet = std::static_pointer_cast<TxSetFrame>(lcd.getTxSet());
herder.getPendingEnvelopes().putTxSet(lcd.getTxSet()->getContentsHash(),
lcd.getLedgerSeq(), txSet);
herder.getHerderSCPDriver().valueExternalized(
lcd.getLedgerSeq(), xdr::xdr_to_opaque(lcd.getValue()));
}
void
CatchupSimulation::validateCatchup(Application::pointer app)
{
auto& lm = app->getLedgerManager();
auto nextLedger = lm.getLastClosedLedgerNum() + 1;
if (nextLedger < 3)
{
return;
}
size_t i = nextLedger - 3;
auto root = TestAccount{*app, getRoot(mApp.getNetworkID())};
auto alice = TestAccount{*app, getAccount("alice")};
auto bob = TestAccount{*app, getAccount("bob")};
auto carol = TestAccount{*app, getAccount("carol")};
auto wantSeq = mLedgerSeqs.at(i);
auto wantHash = mLedgerHashes.at(i);
auto wantBucketListHash = mBucketListHashes.at(i);
auto wantBucket0Hash = mBucket0Hashes.at(i);
auto wantBucket1Hash = mBucket1Hashes.at(i);
auto haveSeq = lm.getLastClosedLedgerNum();
auto haveHash = lm.getLastClosedLedgerHeader().hash;
auto haveBucketListHash =
lm.getLastClosedLedgerHeader().header.bucketListHash;
auto haveBucket0Hash = app->getBucketManager()
.getBucketList()
.getLevel(0)
.getCurr()
->getHash();
auto haveBucket1Hash = app->getBucketManager()
.getBucketList()
.getLevel(2)
.getCurr()
->getHash();
CLOG(INFO, "History") << "Caught up: want Seq[" << i << "] = " << wantSeq;
CLOG(INFO, "History") << "Caught up: have Seq[" << i << "] = " << haveSeq;
CLOG(INFO, "History") << "Caught up: want Hash[" << i
<< "] = " << hexAbbrev(wantHash);
CLOG(INFO, "History") << "Caught up: have Hash[" << i
<< "] = " << hexAbbrev(haveHash);
CLOG(INFO, "History") << "Caught up: want BucketListHash[" << i
<< "] = " << hexAbbrev(wantBucketListHash);
CLOG(INFO, "History") << "Caught up: have BucketListHash[" << i
<< "] = " << hexAbbrev(haveBucketListHash);
CLOG(INFO, "History") << "Caught up: want Bucket0Hash[" << i
<< "] = " << hexAbbrev(wantBucket0Hash);
CLOG(INFO, "History") << "Caught up: have Bucket0Hash[" << i
<< "] = " << hexAbbrev(haveBucket0Hash);
CLOG(INFO, "History") << "Caught up: want Bucket1Hash[" << i
<< "] = " << hexAbbrev(wantBucket1Hash);
CLOG(INFO, "History") << "Caught up: have Bucket1Hash[" << i
<< "] = " << hexAbbrev(haveBucket1Hash);
CHECK(nextLedger == haveSeq + 1);
CHECK(wantSeq == haveSeq);
CHECK(wantBucketListHash == haveBucketListHash);
CHECK(wantHash == haveHash);
CHECK(app->getBucketManager().getBucketByHash(wantBucket0Hash));
CHECK(app->getBucketManager().getBucketByHash(wantBucket1Hash));
CHECK(wantBucket0Hash == haveBucket0Hash);
CHECK(wantBucket1Hash == haveBucket1Hash);
auto haveRootBalance = rootBalances.at(i);
auto haveAliceBalance = aliceBalances.at(i);
auto haveBobBalance = bobBalances.at(i);
auto haveCarolBalance = carolBalances.at(i);
auto haveRootSeq = rootSeqs.at(i);
auto haveAliceSeq = aliceSeqs.at(i);
auto haveBobSeq = bobSeqs.at(i);
auto haveCarolSeq = carolSeqs.at(i);
auto wantRootBalance = root.getBalance();
auto wantAliceBalance = alice.getBalance();
auto wantBobBalance = bob.getBalance();
auto wantCarolBalance = carol.getBalance();
auto wantRootSeq = root.loadSequenceNumber();
auto wantAliceSeq = alice.loadSequenceNumber();
auto wantBobSeq = bob.loadSequenceNumber();
auto wantCarolSeq = carol.loadSequenceNumber();
CHECK(haveRootBalance == wantRootBalance);
CHECK(haveAliceBalance == wantAliceBalance);
CHECK(haveBobBalance == wantBobBalance);
CHECK(haveCarolBalance == wantCarolBalance);
CHECK(haveRootSeq == wantRootSeq);
CHECK(haveAliceSeq == wantAliceSeq);
CHECK(haveBobSeq == wantBobSeq);
CHECK(haveCarolSeq == wantCarolSeq);
}
CatchupMetrics
CatchupSimulation::getCatchupMetrics(Application::pointer app)
{
auto& getHistoryArchiveStateSuccess = app->getMetrics().NewMeter(
{"history", "download-history-archive-state", "success"}, "event");
auto historyArchiveStatesDownloaded = getHistoryArchiveStateSuccess.count();
auto& downloadLedgersSuccess = app->getMetrics().NewMeter(
{"history", "download-ledger", "success"}, "event");
auto ledgersDownloaded = downloadLedgersSuccess.count();
auto& verifyLedgerSuccess = app->getMetrics().NewMeter(
{"history", "verify-ledger", "success"}, "event");
auto& verifyLedgerChainFailure = app->getMetrics().NewMeter(
{"history", "verify-ledger-chain", "failure"}, "event");
auto ledgersVerified = verifyLedgerSuccess.count();
auto ledgerChainsVerificationFailed = verifyLedgerChainFailure.count();
auto& downloadBucketSuccess = app->getMetrics().NewMeter(
{"history", "download-bucket", "success"}, "event");
auto bucketsDownloaded = downloadBucketSuccess.count();
auto& bucketApplySuccess = app->getMetrics().NewMeter(
{"history", "bucket-apply", "success"}, "event");
auto bucketsApplied = bucketApplySuccess.count();
auto& downloadTransactionsSuccess = app->getMetrics().NewMeter(
{"history", "download-transactions", "success"}, "event");
auto transactionsDownloaded = downloadTransactionsSuccess.count();
auto& applyLedgerSuccess = app->getMetrics().NewMeter(
{"history", "apply-ledger-chain", "success"}, "event");
auto transactionsApplied = applyLedgerSuccess.count();
return CatchupMetrics{
historyArchiveStatesDownloaded, ledgersDownloaded, ledgersVerified,
ledgerChainsVerificationFailed, bucketsDownloaded, bucketsApplied,
transactionsDownloaded, transactionsApplied};
}
CatchupPerformedWork
CatchupSimulation::computeCatchupPerformedWork(
uint32_t lastClosedLedger, CatchupConfiguration const& catchupConfiguration,
Application& app)
{
auto const& hm = app.getHistoryManager();
auto catchupRange =
CatchupRange{lastClosedLedger, catchupConfiguration, hm};
auto verifyCheckpointRange =
CheckpointRange{catchupRange.getFullRangeIncludingBucketApply(), hm};